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液态性水电解剂:在设计,运行和使用终止场景中比较性能

Mohammed T Zaki¹, Colby Smith², Alex Badgett²

¹Energy Analysis and Environmental Impacts Division, Energy Technology Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.

Environmental science & technology

|October 10, 2025

概括

液态性水电解 (LAWE) 的生命周期评估表明,与太阳能相比,风力发电显著降低了用于生产的碳强度. 先进的设计和回收利用进一步降低了对环境的影响.

科学领域:

环境科学环境科学
化学工程是化学工程的重要组成部分.
能源系统能源系统

背景情况:

液态性水电解 (LAWE) 是生产的关键技术.
目前还没有针对LAWE部署的全面生命周期评估 (LCA).
电化学堆和动态操作建模的最新进展为评估提供了新的数据.

研究的目的:

对两个液水电解 (LAWE) 设施设计进行详细的生命周期评估 (LCA).
评估使用可变电力来源 (太阳能,风能) 的生产对环境的影响.
分析先进的堆设计,动态操作和回收策略对可持续性的影响.

主要方法:

使用TRACI和ReCiPe影响类别进行生命周期评估 (LCA) 建模.
评估两种LAWE设施设计:当前最先进的状态和先进的零间隙电极堆.
动态电力使用建模包括太阳能,风能和混合动力来源.
对堆回收策略和气泄漏的分析.

主要成果:

电力来源是LAWE碳强度的主要驱动因素 (83-94%).
与太阳能发电 (2.57 kgCO2e/kgH2) 相比,风力发电的碳强度 (1.03 kgCO2e/kgH2) 和泄漏率较低.
先进的LAWE设计和堆回收可显著减少生命周期各个阶段对环境的影响.

结论:

与太阳能相比,风能为LAWE提供了更可持续的电力来源,减少了碳足迹和泄漏.
实施先进的堆设计和回收策略对于最小化生产对环境的影响至关重要.
进一步的研究应侧重于优化工厂材料和运行周期的平衡,以实现可变可再生能源的整合,以减轻泄漏.

关键词:

植物平衡植物平衡气泄漏是因为气泄漏.的生产生产的生产.生命周期评估生命周期评估堆回收回收堆回收.

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